* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: #171a2b;
  background:
    radial-gradient(circle at 18% 12%, rgba(116, 102, 255, 0.24), transparent 35%),
    radial-gradient(circle at 85% 10%, rgba(0, 204, 255, 0.2), transparent 32%),
    linear-gradient(140deg, #f4f6ff 0%, #f9f7ff 48%, #ffffff 100%);
  min-height: 100vh;
}

.app {
  width: min(820px, 92%);
  margin: 36px auto;
}

.hero {
  text-align: center;
  margin-bottom: 20px;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
}

.subtitle {
  margin-top: 10px;
  color: #434b71;
  font-size: 1.03rem;
}

.card {
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(8px);
  border-radius: 24px;
  padding: 24px;
  box-shadow:
    0 26px 55px rgba(48, 64, 143, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border: 1px solid #e8ebff;
}

.form {
  display: grid;
  gap: 12px;
}

label {
  font-size: 0.92rem;
  color: #25283b;
  font-weight: 600;
}

input,
select,
button {
  width: 100%;
  border-radius: 12px;
  border: 1px solid #d7ddff;
  font: inherit;
}

input,
select {
  padding: 12px 14px;
  background: #ffffff;
}

input:focus,
select:focus,
button:focus {
  outline: 2px solid #9bb0ff;
  outline-offset: 2px;
}

#generate-btn {
  margin-top: 8px;
  padding: 14px 16px;
  border: 0;
  background: linear-gradient(135deg, #4b66ff 0%, #7a4bff 65%, #903dff 100%);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

#generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(91, 72, 244, 0.35);
}

.helper {
  margin: 12px 2px 0;
  font-size: 0.88rem;
  color: #5a6287;
}

.result-wrap {
  margin-top: 20px;
  border-top: 1px solid #eef1ff;
  padding-top: 16px;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

h2 {
  margin: 0;
  font-size: 1rem;
}

.ghost {
  width: auto;
  padding: 8px 14px;
  border: 1px solid #cfd7ff;
  background: #fff;
  cursor: pointer;
  font-weight: 600;
}

.result {
  margin-top: 10px;
  min-height: 125px;
  border: 1px dashed #b7c0f6;
  border-radius: 14px;
  padding: 15px;
  white-space: pre-line;
  line-height: 1.6;
  background: linear-gradient(180deg, #fcfcff 0%, #f6f8ff 100%);
  color: #1f2341;
}

.placeholder {
  color: #777d9c;
}

.status {
  margin: 10px 2px 0;
  font-size: 0.9rem;
  color: #475fd2;
  min-height: 20px;
}

.footer {
  margin-top: 16px;
  text-align: center;
  font-size: 0.9rem;
  color: #5c6384;
}

.footer a {
  color: #3f56c2;
  font-weight: 600;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@media (max-width: 520px) {
  .card {
    padding: 16px;
  }
}